Connecting device for building steel structure joints
By designing a connection device for building steel structure nodes with connecting blocks and positioning structures, the problems of residual welding stress and cumbersome bolt fixing are solved, achieving fast and stable connection and improving the installation efficiency and structural stability of building steel structures.
Patent Information
- Application Number
- CN202520391240.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Traditional steel structure node connection methods suffer from problems such as structural deformation caused by residual welding stress and cumbersome bolt fixing operations, which reduce the assembly efficiency of large-scale building projects.
The connecting device, consisting of connecting blocks, slots, positioning holes, and positioning structures, allows the parts to be connected to be inserted through the slots. It uses a locking frame, spring, and adjusting rod to achieve quick locking, replacing traditional bolt fixing.
It simplifies operation steps, improves installation efficiency, reduces the probability of structural deformation, and enhances the stability and reliability of connection devices.
Smart Images

Figure CN223824345U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building steel structure technical field especially relates to a kind of connecting device of building steel structure node. BACKGROUND
[0002] In modern construction engineering, steel structure is widely used due to its high strength, light weight, fast construction speed and many other advantages. As the key part connecting various members, the connection quality of steel structure node directly relates to the stability, reliability and safety of the whole structure. The traditional steel structure node connection method is welding and bolt fixing. Since residual stress is generated after welding, it may cause structural deformation, and it is not convenient for subsequent modification, so the use rate of bolt fixing is higher than that of welding fixing.
[0003] Since multiple bolts need to be frequently rotated during installation, the assembly efficiency is reduced and the construction period is prolonged in large and complex building projects. Therefore, a connecting device for building steel structure node is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a connecting device for building steel structure node.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a connecting device for building steel structure node, comprising a connecting block, two insertion slots are arranged on both sides of the connecting block, a positioning hole is arranged on the top inner wall of the insertion slot, an installation slot is arranged on the top of the connecting block, a circular hole is arranged on the inner wall of one side of the installation slot, a through slot is arranged on the top of the connecting block, the through slot and the circular hole are communicated, a to-be-connected member is arranged in each insertion slot, and a positioning structure is arranged in the installation slot.
[0006] As a further description of the above technical scheme:
[0007] Two supporting plates are fixedly arranged on the bottom of the connecting block, and the thickness of each supporting plate is one centimeter.
[0008] As a further description of the above technical scheme:
[0009] The positioning structure comprises a vertical rod movably connected with the installation slot, a locking rack for locking, a top rod for extruding and an adjusting rod for adjusting, a pressing plate is fixedly arranged on the top of the vertical rod, two horizontal rods are fixedly arranged on both sides of the vertical rod, a same fixing plate is fixedly arranged on one side of each horizontal rod, a positioning rod is fixedly arranged on the bottom of each fixing plate, and a clamping block is fixedly arranged on one side of the vertical rod.
[0010] As a further description of the above technical scheme:
[0011] The top and bottom of the adjusting rod are respectively fixed with an adjusting handle and a push plate, and the adjusting rod and the through slot are movably connected.
[0012] As a further description of the above technical solution:
[0013] The front and back inner walls of the mounting slot are both provided with limiting grooves, and the front and back of the vertical rod are both fixed with limiting blocks, and the limiting blocks and the limiting grooves are slidably connected.
[0014] As a further description of the above technical solution:
[0015] The outer part of the lock frame is movably provided with a mounting frame, the mounting frame and the inner wall of one side of the mounting slot are fixedly connected, one side of the lock frame is fixedly provided with a spring, and the other end of the spring and the inner wall of the mounting slot are fixedly connected.
[0016] As a further description of the above technical solution:
[0017] The lock frame comprises a lock rod and a lock hook, and the side close to the clamping block of the lock hook is provided with a parallel inclined surface.
[0018] The utility model has the advantages of:
[0019] 1. Compared with the prior art, the connecting device of the building steel structure node, by setting the lock frame, the positioning rod, the vertical rod, the spring and the adjusting rod, when the to-be-connected piece is installed, first, the to-be-connected piece is inserted into the slot, then the pressing plate is pressed down, the pressing plate drives the vertical rod, the clamping block and the positioning rod, when the inclined surface of the clamping block and the inclined surface of the lock frame are separated, the spring pushes the lock frame to be clamped on the clamping block, the locking of the vertical rod is realized, at this time, the two positioning rods are completely inserted into the mounting hole at the top of the to-be-connected piece, the fixing of the to-be-connected piece is realized, the traditional bolt fixing mode is replaced, the operation steps are simplified, and the installation efficiency is improved.
[0020] 2. Compared with the prior art, the connecting device of the building steel structure node, by setting two supporting plates, the top of the supporting plate and the bottom of the to-be-connected piece are attached, the support of the to-be-connected piece can be realized, so that the probability of deformation of the workpiece can be effectively reduced. DRAWINGS
[0021] Figure 1 A three-dimensional structure schematic view of the connecting device of the building steel structure node is provided for the utility model;
[0022] Figure 2 A front cross-sectional structure schematic view of the connecting device of the building steel structure node is provided for the utility model;
[0023] Figure 3 A three-dimensional structure schematic view of the connecting block in the connecting device of the building steel structure node is provided for the utility model;
[0024] Figure 4 This is a schematic diagram of the orthographic section of the connecting block in the connection device for a steel structure node of a building proposed in this utility model.
[0025] Figure 5 This is a three-dimensional schematic diagram of the positioning structure in the connection device for a steel structure node of a building proposed in this utility model.
[0026] Legend:
[0027] 1. Connecting block; 2. Slot; 3. Support plate; 4. Positioning hole; 5. Mounting slot; 6. Round hole; 7. Through slot; 8. Limiting slot; 9. Part to be connected; 10. Positioning structure; 101. Vertical rod; 102. Top rod; 103. Adjusting rod; 104. Push plate; 105. Adjusting handle; 106. Limiting block; 107. Pressure plate; 108. Horizontal rod; 109. Fixing plate; 1010. Positioning rod; 1011. Mounting bracket; 1012. Locking bracket; 1013. Spring; 1014. Locking block. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Reference Figures 1 to 5 The present invention provides a connection device for a steel structure node in a building: including a connecting block 1, slots 2 on both sides of the connecting block 1, positioning holes 4 on the top inner wall of the slots 2, an installation groove 5 on the top of the connecting block 1, a round hole 6 on one side inner wall of the installation groove 5, a through groove 7 on the top of the connecting block 1, the through groove 7 communicating with the round hole 6, and a component 9 to be connected in each of the two slots 2;
[0030] To achieve the purpose of support, two support plates 3 are fixedly provided at the bottom of the connecting block 1. The thickness of the two support plates 3 is one centimeter. After the connecting piece 9 is installed, the top of the support plate 3 and the bottom of the connecting piece 9 fit together, which can support the connecting piece 9 and thus effectively reduce the probability of workpiece deformation.
[0031] To achieve rapid installation, a positioning structure 10 is provided inside the mounting slot 5. The positioning structure 10 includes a vertical rod 101 movably connected to the mounting slot 5, a locking frame 1012 for locking, a top rod 102 for pressing, and an adjusting rod 103 for adjustment. Limiting grooves 8 are provided on both the front and back inner walls of the mounting slot 5. Limiting blocks 106 are fixedly provided on both the front and back of the vertical rod 101, and the limiting blocks 106 and limiting grooves 8 are slidably connected. A mounting bracket 1011 is movably provided on the outside of the locking frame 1012, and the mounting bracket 1011 is fixedly connected to one side inner wall of the mounting slot 5. A spring 1013 is fixedly provided on one side of the locking frame 1012, and the other end of the spring 1013 is fixedly connected to the inner wall of the mounting slot 5. An adjusting handle 105 and a push plate 104 are fixedly provided at the top and bottom of the adjusting rod 103, respectively. The adjusting rod 103 is movably connected to the through groove 7. A pressure plate 107 is fixedly provided at the top of the vertical rod 101, and pressure plates 104 are fixedly provided on both sides of the vertical rod 101. There are two horizontal bars 108, and a fixed plate 109 is fixedly provided on one side of both horizontal bars 108. A positioning rod 1010 is fixedly provided at the bottom of both fixed plates 109. A locking block 1014 is fixedly provided on one side of the vertical bar 101. The locking frame 1012 includes a locking rod and a locking hook. The locking hook and the locking block 1014 are provided with parallel inclined surfaces on the side that are close to each other. When installing the connecting piece 9, first insert the connecting piece 9 into the slot 2, and then press the pressure plate 107 down. 07 drives the vertical rod 101, the locking block 1014, and the positioning rod 1010. When the inclined surface of the locking block 1014 separates from the inclined surface of the locking frame 1012, the spring 1013 pushes the locking frame 1012 to lock onto the locking block 1014, thereby locking the vertical rod 101. At this time, the two positioning rods 1010 are fully inserted into the mounting holes at the top of the part to be connected 9, thereby fixing the part to be connected 9. This replaces the traditional bolt fixing mode, which simplifies the operation steps and improves the installation efficiency.
[0032] Working principle: When installing and connecting the steel structure, first insert the part to be connected 9 into the slot 2, then press the pressure plate 107 down. The pressure plate 107 drives the vertical rod 101, which in turn drives the locking block 1014 and the two fixing plates 109. The two fixing plates 109 then drive the two positioning rods 1010. The positioning rods 1010 pass through the positioning hole 4 and are inserted into the mounting hole of the part to be connected 9. When the locking block 1014 moves down, it will press the locking frame 1012 on one side. The locking frame 1012 presses the spring 1013 on one side. When the inclined surface of the locking block 1014 and the locking frame 1012 are in contact, the locking mechanism is completed. When the inclined plane separates, the spring 1013 pushes the locking frame 1012 to lock it onto the locking block 1014, thereby locking the vertical rod 101. At this time, the two positioning rods 1010 are fully inserted into the mounting holes at the top of the part to be connected 9, thus fixing the part to be connected 9. When disassembly is required, the adjusting rod 103 is pulled to one side, which causes the push plate 1014 to press the top rod 102. The top rod 102 causes the locking frame 1012 to rotate and separate from the locking block 1014. Then, the vertical rod 101 is pulled up, and the vertical rod 101 causes the positioning rods 1010 to separate from the mounting holes. Then the part to be connected 9 can be disassembled.
[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A connection device for a steel structure node in a building, comprising a connecting block (1), characterized in that: The connecting block (1) has slots (2) on both sides, and a positioning hole (4) is provided on the top inner wall of the slot (2). The connecting block (1) has an installation groove (5) on the top, and a round hole (6) is provided on one side inner wall of the installation groove (5). The connecting block (1) has a through groove (7) on the top, and the through groove (7) and the round hole (6) are connected. Both slots (2) have a component to be connected (9), and the installation groove (5) has a positioning structure (10).
2. The connection device for a steel structure node in a building according to claim 1, characterized in that: The bottom of the connecting block (1) is fixedly provided with two support plates (3), and the thickness of the two support plates (3) is one centimeter.
3. The connection device for a steel structure node in a building according to claim 1, characterized in that: The positioning structure (10) includes a vertical rod (101) movably connected to the mounting groove (5), a locking frame (1012) for locking, a top rod (102) for pressing, and an adjusting rod (103) for adjusting. A pressure plate (107) is fixedly provided at the top of the vertical rod (101). Two horizontal rods (108) are fixedly provided on both sides of the vertical rod (101). The same fixing plate (109) is fixedly provided on one side of the two horizontal rods (108). A positioning rod (1010) is fixedly provided at the bottom of the two fixing plates (109). A locking block (1014) is fixedly provided on one side of the vertical rod (101).
4. The connection device for a steel structure node in a building according to claim 3, characterized in that: The top and bottom of the adjusting rod (103) are respectively fixed with an adjusting handle (105) and a push plate (104), and the adjusting rod (103) and the through groove (7) are movably connected.
5. A connection device for a steel structure node in a building according to claim 3, characterized in that: The mounting groove (5) is provided with limiting grooves (8) on both the front and back inner walls, and the vertical rod (101) is provided with limiting blocks (106) on both the front and back sides. The limiting blocks (106) and the limiting grooves (8) are slidably connected.
6. The connection device for a steel structure node in a building according to claim 3, characterized in that: The lock frame (1012) is externally provided with a mounting bracket (1011), which is fixedly connected to the inner wall of one side of the mounting groove (5). A spring (1013) is fixedly provided on one side of the lock frame (1012), and the other end of the spring (1013) is fixedly connected to the inner wall of the mounting groove (5).
7. The connection device for a steel structure node in a building according to claim 3, characterized in that: The lock frame (1012) includes a lock bar and a lock hook, and the lock hook and the locking block (1014) are provided with parallel inclined surfaces on the side that are close to each other.